ティラピアの聴覚閾値測定
書誌事項
- タイトル別名
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- Measurement of Auditory Thresholds of the Tilapia Tilapia niloticus.
- ティラピアの聴覚しきい値測定
- ティラピア ノ チョウカク イキチ ソクテイ
- 公開日
- 1995
- 資源種別
- journal article
- DOI
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- 10.2331/suisan.61.320
- 公開者
- 公益社団法人 日本水産学会
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説明
Auditory thresholds of the tilapia Tilapia niloticus in a quiet water tank were investigated using a classical conditioning procedure in a stable temperature container converted into an acoustic chamber. The classical conditioning procedure followed Ishioka's method. Tilapia could hear a sound band width ranging from 100Hz to 1500Hz with maximum sensitivity 300Hz where the threshold was below 103.5dB (0dB re 1μPa). The background noise in the range of measurement frequency were in a low level of 37-47dB (0dB re 1μPa/√Hz), and signal/noise ratio in this investigation was above 50dB. Nevertheless the audiograms for tilapia from 100Hz to 1000Hz were significantly higher than in the red sea bream. It is evident that the auditory capacity of tilapia is poor, as compared to that of the red sea bream tested by the same method.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 61 (3), 320-325, 1995
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390282681389866112
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- NII論文ID
- 10004846829
- 10004847532
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
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- NDL書誌ID
- 3618535
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- 本文言語コード
- ja
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- 資料種別
- journal article
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- データソース種別
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- NDLサーチ
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- 使用不可